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You are here:Home » Antibodies » Antibodies-Disease Markers » Anti -CBP, acetylated (Lys1535)/p300 (Lys1499) (CREB Binding Protein, Histone Acetyl Transferase, RTS, RSTS, Rubinstein-Taybi Syndrome)

Anti -CBP, acetylated (Lys1535)/p300 (Lys1499) (CREB Binding Protein, Histone Acetyl
Transferase, RTS, RSTS, Rubinstein-Taybi Syndrome)


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Clone Host Grade Applications
Polyclonal Rabbit Affinity Purified B IP
CBP (CREB-binding protein) and p300 are highly conserved and functionally related transcriptional co-activators that associate with transcriptional regulators and signaling molecules, integrating multiple signal transduction pathways with the transcriptional machinery (1,2). CBP/p300 also contain histone acetyltransferase (HAT) activity, allowing them to acetylate histones and other proteins (2). Phosphorylation of p300 at Ser89 by PKC represses its transciptional acitivity, and phosphorylation at the same site by AMPK disrupts the association of p300 with nuclear receptors (3,4). Ser1834 phosphorylation of p300 by Akt disrupts its association with C/EBPb (5). Growth factors induce phosphorylation of CBP at Ser437, which is required for CBP recruitment to the transcription complex (6). CaM kinase IV phosphorylates CBP at Ser302, which is required for CBP-dependent transcriptional activation in the CNS(7). The role of acetylation of CBP/p300 is of particular interest (2,8). Acetylation of Lys1499 of p300 has been demonstrated to enhance its HAT activity and affect a wide variety of signaling events (9).
Catalog #C2098-10
ApplicationsSuitable for use in Western Blot, Immunoprecipitation. Other applications not tested.
Recommended DilutionWestern Blot: 1:1000
Immunoprecipitation: 1:50
Optimal dilutions to be determined by the researcher.
Storage and StabilityMay be stored at 4°C for short-term only. For long-term storage, store at -20°C. Aliquots are stable for at least 12 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Clone TypePolyclonal
ConcentrationNot determined
FormSupplied as a liquid in 10mM sodium HEPES, pH 7.5,, 150 mM NaCl, 100ug/ml BSA and 50% glycerol.
PurityPurified by Protein A and immunoaffinity chromatography.
ImmunogenSynthetic acetylated peptide (KLH-coupled) corresponding to residues surrounding Lys1535 of human CBP.
SpecificityDetects endogenous levels of CBP or p300 only when acetylated at lysine 1535 or lysine
1499, respectively.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.

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